# CVE-2026-7639

## Summary

- **CVE ID:** CVE-2026-7639
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-459
- **Published:** Jul 10, 2026
- **Last Modified:** Jul 13, 2026

## Description

Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code.



Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.

## Affected Products

- Imagination Technologies — Graphics DDK (1.18 RTM2)
- Imagination Technologies — Graphics DDK (23.2 RTM2)
- Imagination Technologies — Graphics DDK (24.2 RTM2)
- Imagination Technologies — Graphics DDK (25.1 RTM2)
- Imagination Technologies — Graphics DDK (26.1 RTM1)
- Imagination Technologies — Graphics DDK (26.1 RTM2)

## References

- [CNA](https://www.imaginationtech.com/gpu-driver-vulnerabilities/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 7.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._